The top transportation officials of Maryland, Virginia and the District released a two-year plan for reforming Metro on Monday, calling for the 14-person board of directors to focus solely on high-level policies and change how they are paid and how long the chairman serves. Most of the changes would require passing matching legislation in each jurisdiction, a task that state officials acknowledge could take time.

But the 16-page transportation secretaries’ report also has current board members questioning how to implement some of the immediate changes.